//-----------------------------------------------------------------------------
void HexMapTest::Init()
{
zoom = 1.0f;
rotation = 0.0f;
screenTranslationX = 0;
screenTranslationY = 0;
// Initialise the input system
g_Input.Init();
// Initialise vectors
s_left = CIwVec3::g_AxisX;
s_up = -CIwVec3::g_AxisY;
s_Angles = CIwSVec3::g_Zero;
s_cameraPos = CIwVec3(0, 0, -0x80);
// Initialise view matrix
s_viewMatrix = CIwMat::g_Identity;
s_viewMatrix.SetTrans(s_cameraPos);
s_viewMatrix.LookAt(
s_viewMatrix.GetTrans(),
CIwVec3::g_Zero,
-CIwVec3::g_AxisY);
// Initialise
IwGxInit();
IwResManagerInit();
// Set screen clear colour
IwGxSetColClear(0x40, 0x40, 0x40, 0x00);
// Turn all lighting off
IwGxLightingOff();
// Set field of view
IwGxSetPerspMul(0xa0);
// Set near and far planes
IwGxSetFarZNearZ(0x1000, 0x10);
// Create empty texture object
s_BitMapTexture = new CIwTexture;
// Load image data from disk into texture
s_BitMapTexture->LoadFromFile("./textures/testTexture_8bit.bmp");
// "Upload" texture to VRAM
s_BitMapTexture->Upload();
// Set the view matrix along the -ve z axis
CIwMat view = CIwMat::g_Identity;
view.t.z = -0x100;
IwGxSetViewMatrix(&view);
IwGetResManager()->LoadGroup("TileRes.group");
pGroup = IwGetResManager()->GetGroupNamed("TileRes");
hexGrid = new HexGrid(hexGridMaxX, hexGridMaxY, textureMaxX, textureMaxY);
hexGrid->setTexture(IW_TEXTURE(pGroup,"grid"),textureMaxX,textureMaxY);
s_ModelMatrix.SetIdentity();
}
void renderImageWorldSpace(CIwFVec2& position, float angle, float scaleFactor,
int textureSize, float worldRot, int frameNumber, int numFrames, float z) {
static CIwSVec3 vertices[4];
static CIwSVec2 UVs[4];
//set up model space vertices
int vertexDist = scaleFactor*textureSize/2;
vertices[0] = CIwSVec3(-1*vertexDist, -1*vertexDist, z);
vertices[2] = CIwSVec3(vertexDist, -1*vertexDist, z);
vertices[3] = CIwSVec3(vertexDist, vertexDist, z);
vertices[1] = CIwSVec3(-1*vertexDist, vertexDist, z);
CIwMat modelTransform = CIwMat::g_Identity;
modelTransform.SetRotZ(IW_ANGLE_FROM_RADIANS(angle));
modelTransform.SetTrans(CIwVec3(position.x, -position.y, 0));
CIwMat rot = CIwMat::g_Identity;
rot.SetRotZ(IW_ANGLE_FROM_RADIANS(worldRot));
modelTransform = modelTransform*rot;
IwGxSetModelMatrix(&modelTransform, false);
float frameRatio = 1.0/numFrames;
//set up sprite UV's
iwfixed cf = IW_FIXED((float)frameNumber / numFrames);
iwfixed nf = IW_FIXED((frameNumber + 1.0) / numFrames);
UVs[0] = CIwSVec2(cf, 0);
UVs[2] = CIwSVec2(nf, 0);
UVs[3] = CIwSVec2(nf, IW_GEOM_ONE);
UVs[1] = CIwSVec2(cf, IW_GEOM_ONE);
//render the unit in model space
IwGxSetUVStream(UVs);
IwGxSetZDepthFixed(8);
IwGxSetVertStreamModelSpace(vertices, 4);
IwGxDrawPrims(IW_GX_QUAD_STRIP, NULL, 4);
IwGxFlush();
}
